Putting training device



FIG. 1 is a top plan view of a putting training device showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a right end elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

The side not shown is the mirror image of the side shown. 

The ornamental design for a putting training device, as shown and described. 